†Eurhodia rugosa rugosa Ravenel 1848 (sea urchin)
Echinoidea - Cassiduloida - Neolampadidae
Synonyms: Cassidulus (Rhynchopygus) ravenli Clark and Twitchell 1915, Eurhodia ravenli Clark and Twitchell 1915
Belongs to Eurhodia rugosa according to Ravenel 1848
See also Clark and Twitchell 1915 and Cooke 1942
Sister taxa: Eurhodia rugosa depressa, Eurhodia rugosa ideali
Ecology: infaunal detritivore
Distribution: found only at Santee canal (Santee Limestone, S. Carolina) (Eocene of South Carolina)